#pragma once
#if ENABLE(LAYOUT_FORMATTING_CONTEXT)
#include "LayoutUnit.h"
#include "LayoutPoint.h"
#include "MarginTypes.h"
#include <wtf/Optional.h>
namespace WebCore {
#define USE_FLOAT_AS_INLINE_LAYOUT_UNIT 1
#if USE_FLOAT_AS_INLINE_LAYOUT_UNIT
using InlineLayoutUnit = float;
using InlineLayoutPoint = FloatPoint;
using InlineLayoutSize = FloatSize;
using InlineLayoutRect = FloatRect;
#else
using InlineLayoutUnit = LayoutUnit;
using InlineLayoutPoint = LayoutPoint;
using InlineLayoutSize = LayoutSize;
using InlineLayoutRect = LayoutRect;
#endif
namespace Display {
class Box;
}
namespace Layout {
struct Position {
operator LayoutUnit() const { return value; }
LayoutUnit value;
};
inline bool operator<(const Position& a, const Position& b)
{
return a.value < b.value;
}
inline bool operator==(const Position& a, const Position& b)
{
return a.value == b.value;
}
struct Point {
LayoutUnit x; LayoutUnit y;
Point() = default;
Point(LayoutUnit, LayoutUnit);
Point(LayoutPoint);
static Point max() { return { LayoutUnit::max(), LayoutUnit::max() }; }
void move(LayoutSize);
void moveBy(LayoutPoint);
operator LayoutPoint() const { return { x, y }; }
};
using PointInContextRoot = Point;
using PositionInContextRoot = Position;
inline Point::Point(LayoutPoint point)
: x(point.x())
, y(point.y())
{
}
inline Point::Point(LayoutUnit x, LayoutUnit y)
: x(x)
, y(y)
{
}
inline void Point::move(LayoutSize offset)
{
x += offset.width();
y += offset.height();
}
inline void Point::moveBy(LayoutPoint offset)
{
x += offset.x();
y += offset.y();
}
struct HorizontalEdges {
LayoutUnit left;
LayoutUnit right;
LayoutUnit width() const { return left + right; }
};
struct VerticalEdges {
LayoutUnit top;
LayoutUnit bottom;
LayoutUnit height() const { return top + bottom; }
};
struct Edges {
HorizontalEdges horizontal;
VerticalEdges vertical;
};
struct ContentWidthAndMargin {
LayoutUnit contentWidth;
UsedHorizontalMargin usedMargin;
ComputedHorizontalMargin computedMargin;
};
struct ContentHeightAndMargin {
LayoutUnit contentHeight;
UsedVerticalMargin::NonCollapsedValues nonCollapsedMargin;
};
struct HorizontalGeometry {
LayoutUnit left;
LayoutUnit right;
ContentWidthAndMargin contentWidthAndMargin;
};
struct VerticalGeometry {
LayoutUnit top;
LayoutUnit bottom;
ContentHeightAndMargin contentHeightAndMargin;
};
struct UsedHorizontalValues {
struct Constraints {
explicit Constraints(const Display::Box& containingBlockGeometry);
explicit Constraints(LayoutUnit contentBoxLeft, LayoutUnit horizontalConstraint)
: contentBoxLeft(contentBoxLeft)
, width(horizontalConstraint)
{
}
LayoutUnit contentBoxLeft;
LayoutUnit width;
};
explicit UsedHorizontalValues(Constraints constraints)
: constraints(constraints)
{
}
explicit UsedHorizontalValues(Constraints constraints, Optional<LayoutUnit> width, Optional<UsedHorizontalMargin> margin)
: constraints(constraints)
, width(width)
, margin(margin)
{
}
Constraints constraints;
Optional<LayoutUnit> width;
Optional<UsedHorizontalMargin> margin;
};
struct UsedVerticalValues {
struct Constraints {
explicit Constraints(const Display::Box& containingBlockGeometry);
explicit Constraints(LayoutUnit contentBoxTop, Optional<LayoutUnit> verticalConstraint = WTF::nullopt)
: contentBoxTop(contentBoxTop)
, height(verticalConstraint)
{
}
LayoutUnit contentBoxTop;
Optional<LayoutUnit> height;
};
explicit UsedVerticalValues(Constraints constraints, Optional<LayoutUnit> height = { })
: constraints(constraints)
, height(height)
{
}
Constraints constraints;
Optional<LayoutUnit> height;
};
inline LayoutUnit toLayoutUnit(InlineLayoutUnit value)
{
return LayoutUnit { value };
}
inline LayoutPoint toLayoutPoint(const InlineLayoutPoint& point)
{
return LayoutPoint { point };
}
inline LayoutRect toLayoutRect(const InlineLayoutRect& rect)
{
return LayoutRect { rect };
}
inline InlineLayoutUnit maxInlineLayoutUnit()
{
#if USE_FLOAT_AS_INLINE_LAYOUT_UNIT
return std::numeric_limits<float>::max();
#else
return LayoutUnit::max();
#endif
}
}
}
#endif